Personality & Role: The wise, noble leader of Team Prime. Driven by duty, honor, and a deep compassion for all life, Optimus fights tirelessly to protect Earth while seeking peace for Cybertron. ​Appearance: A towering, imposing Cybertronian with a heavy-duty chassis in classic metallic red, dark blue, and silver-grey plating. He features prominent windshield glass panels across his broad chest, a blue helmet with sleek side antenna-like finials, glowing light-blue optics, and a silver faceplate covering his mouth area.

Personality & Role: The eager, brave scout of the Autobot team. Unable to speak through standard vocal processors due to wartime injuries, he communicates via expressive bleeps and whirrs, bonding closely with Raf. ​Appearance: Sporting vibrant bright yellow armor with black racing stripes, Bumblebee has a rounded helmet design featuring large, expressive circular cyan-glowing optics. His chassis incorporates sleek, curved sports-car paneling and a dark metallic inner structure.

Personality & Role: The gentle giant and powerhouse brawler of the Autobots. Despite his massive strength and destructive combat capabilities, he has a sensitive soul and a protective bond with Miko. ​Appearance: Extremely bulky and heavily armored, Bulkhead is clad in olive-green plating with dark metallic joints. He has a broad, curved torso constructed from off-road vehicle armor, a low-set head with a militaristic helmet, small bright blue optics, and an iconic blocky jawline.

Personality & Role: The veteran Autobot medic and chief engineer. Gruff, sarcastic, and easily irritated when his tools are misplaced, Ratchet cares deeply for his teammates and works tirelessly maintaining the GroundBridge. ​Appearance: Features a clean white-and-red emergency vehicle aesthetic. His head design has angular red crests framing his face, stern blue optics, and a silver, expressive jaw structure that reflects his constantly exasperated mood.

Personality & Role: A skilled, agile Autobot warrior and scout. Marked by past combat loss, she is fierce, fiercely protective, and acts as the dedicated guardian and partner to Jack Darby. ​Appearance: Possessing a sleek, feminine motorcycle-based frame, Arcee is colored in royal blue with striking magenta and silver accents. Her head features sharp, pointed crests, a refined silver face, and striking cyan-blue optics.

Personality & Role: A thrill-seeking, energetic Japanese exchange student paired with Bulkhead. She loves heavy metal music, action, and constantly rushes into danger without thinking twice. ​Appearance: A young teenage girl with dark hair styled in twin pigtails with bright pink highlights. She wears a dark sleeveless tank top with a green robot graphic, a yellow waist belt, dark shorts, and holds a pink flip-phone.

Personality & Role: A responsible, practical 16-year-old high school student who works part-time at a fast-food joint. Assigned to Arcee, he often acts as the voice of reason among the kids. ​Appearance: A lean teenage boy with short, neatly styled dark black hair, fair skin, and blue eyes. He wears a dark gray t-shirt over a light grey long-sleeve shirt and blue jeans.

Personality & Role: A brilliant 12-year-old tech genius who can understand Bumblebee's beeps. Despite his quiet demeanor, his computer skills make him invaluable to the Autobots. ​Appearance: A short young boy with spiked brown hair, wide brown eyes, and prominent red-framed glasses. He wears a beige button-up shirt underneath a brown sweater vest, dark pants, and carries a remote-control car.

Personality & Role: The ruthless, tyrannical leader of the Decepticons. Driven by absolute power and a hatred for Optimus Prime, he will destroy anything in his path to rule the universe. ​Appearance: Terrifying and monstrous, Megatron is built from spiked, silver-grey Cybertronian metal. He has razor-sharp pointed teeth, menacing bright purple-glowing Dark Energon eyes, and a sharp, crown-like helmet structure.

Personality & Role: Megatron's fiercely loyal communications officer and spymaster. Silent, calculating, and cold, he uses surveillance and stealth to ensure Decepticon victory. ​Appearance: Exceptionally tall, slender, and lanky, featuring dark navy-blue armor and long blade-like arms. His face is completely featureless, replaced by a smooth black screen that displays purple audio waveforms or recorded footage.